For the data sets below:

Calculate the median and the interquartile range.

Find the mean and the sample standard deviation.

(a) {−1,−3, 4}

(b) {−0.2, 9.6,−0.1, 11.1, 1.3,−0.2, 11.1,−0.8, 0.4}

(c) {60, 66, 70, 103, 138, 34}

(d) {0.971 49, 0.659 64, 0.345 81, 0.515 90, 0.928 81}